3Com CoreBuilder 5000 Быстрый старт и справочник - Страница 5

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c The total watts that are available in the hub (from

step a) must be greater than the total watts that are

required by the SwitchModules (from step b). Use the

following worksheet to calculate power

consumption:

Watts

Voltage

Available

Category

–

in Hub

–

–5

–

+12

–

2 To expose slots for SwitchModule installation, remove

as many blank faceplates from the chassis as required.

WARNING: Hazardous energy levels exist inside of

the hub. Do not place hands or objects into the hub

or touch components on an inserted module.

3 Insert each SwitchModule into the module guides at the

top and bottom of the selected slot and slide it into the

chassis by pressing firmly at the top and bottom of the

front panel (see the figure at right).

4 Lock the SwitchModules into place by applying pressure

to the front panel with one hand while you close each

ejector handle. Ensure that the SwitchModule remains

fully seated in the backplane connector while you close

the ejector handles.

5 To secure the SwitchModule front panel to the front of

the chassis, use a flat-blade screwdriver to tighten the

top and bottom screws to torque specification

3 to 5 inch pounds. Do not overtighten.

WARNING: For safety reasons and to ensure

adequate cooling airflow, install blank faceplates

over all empty slots.

Watts

Required by

Remaining

SwitchModule

UILDER ®

5000 S

ORE

WITCH

ODULE

Slide the

SwitchModule into the

selected slot as shown here.

6 To ensure that the DMM recognizes the installed

SwitchModule, enter the SHOW MODULE ALL

command. Verify that the model number of the

SwitchModule appears in the correct slot.

There may be a delay (no more than 30 seconds) before

the DMM recognizes the SwitchModule.

7 Ensure that the hub is operating with enough power by

entering the SHOW POWER BUDGET command.

UICK

TART AND

EFERENCE